Technical Guide
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How do you test an AC motor?
The AC/DC Motor Test Bench under HV Hipot Electric Co., Ltd. can help many power workers conduct various power tests more conveniently. How to Test an AC Motor (Text-Only): 1.Power-Off Checks (Safety First): Disconnect power and verify zero voltage Manually rotate rotor: Check for jamming or...Read more -
UHV Cable Sheath Fault Locator: The Ultimate Solution for High-Voltage Cable Diagnostics
Introduction In the realm of high-voltage power transmission, maintaining the integrity of underground and submarine cables is paramount. The UHV Cable Sheath Fault Locator has emerged as an indispensable tool for utility companies and maintenance teams, offering precise detection of insulation f...Read more -
The Composition and Selection Method of Power Frequency Withstand Voltage Complete Test Equipment
I. Core Components of the Device A standard set of power frequency withstand voltage test equipment consists of core functional components, protective and auxiliary components, which work together to perform a complete operation of high-voltage insulation strength tests. (1) Core Functional Compo...Read more -
Classification and Application Scope of Common Transformer Testing Instruments
Transformer testing instruments can be classified in multiple dimensions based on the test object and purpose. Among them, classification by test items is the most commonly used method. The specific categories and corresponding instrument functions are as follows: 1. Insulation characteristic tes...Read more -
The working principle and application scope of the high-voltage generator
A high-voltage generator is a device or system that converts low-voltage, low-power electrical energy into high-voltage, high-power electrical energy. Its core function is to generate stable or pulsed high-voltage outputs far higher than the input voltage. Working principle The working principle ...Read more -
On-site testing process of insulating boots and insulating gloves testing device
Insulating boots and insulating gloves are the final physical barriers for power workers to prevent electric shock injuries, and they belong to auxiliary insulating safety tools. According to the requirements of national power safety regulations, such tools need to undergo regular preventive with...Read more -
Selection method and standard regulations for three-phase relay protection testers
The core selection of the three-phase relay protection tester is based on demand. The main basis for selection is the test object and test items, while also taking into account future equipment expansion requirements. I. Core Considerations (1) Test Object Equipment Type: Clearly define the test ...Read more -
Selection Method for Zinc Oxide Arrester Resistive Current Tester
Zinc oxide arresters are key devices in power systems for protecting electrical equipment from damage caused by lightning overvoltage and operating overvoltage. Their core component is the ZnO valve plate, and during normal operation, a small leakage current composed of capacitive and resistive c...Read more -
Selection method for power cable insulation resistance tester
The core principle of the selection process is to ensure that the tester matches the testing requirements of the object being tested, while strictly complying with relevant safety regulations. During the selection process, the following six key factors need to be mainly considered: 1. Test Voltag...Read more -
Power Cable Variable Frequency Series Resonance Withstand Voltage Test Scheme
This scheme is applicable to the handover test, preventive test and post-repair verification test of 6kV to 220kV cross-linked polyethylene (XLPE) insulated power cables. It adopts the variable frequency series resonance test method and is formulated in accordance with GB 50150-2016 “Standa...Read more -
Selection Method for Lightweight High Voltage Test Transformers
Lightweight high-voltage test transformers (also commonly known as oil-immersed / dry-type test transformers, high-voltage withstand testers) are the core equipment for conducting power frequency AC withstand tests and DC withstand leakage tests on power equipment, electrical materials, and insul...Read more -
Ultrasonic Partial Discharge Detector Application and Standard Procedures
When conducting ultrasonic partial discharge detection, it is necessary to strictly follow the corresponding national standards, industry standards, and relevant regulations to ensure the standardization of the detection operation and the comparability of the detection results. I. Main Internatio...Read more